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Upcoming Events

May 2025

  • May
    1

    College Fair

  • Requiem Mass for Pope Francis

    With deep reverence and in communion with the Universal church, we invite you to Holy Mass for the Repose of the Soul of His Holiness Pope Francis at 7:00 PM in the Church of Saint Mary.
  • May
    2

    MP4 Grade Check

  • May
    3

    St. Mary’s High School 75th Gala

  • May
    5

    AP Biology - AM

  • May
    6

    AP US Gov & Politics – PM

  • AP Chemistry - AM

  • May
    7

    AP English Literature - AM

  • May
    8

    AP Statistics - AM

  • AP World History-Modern - PM

  • May
    9

    AP US History - AM

  • May
    12

    AP Calculus AB - AM

  • AP Music Theory - PM

  • May
    13

    AP Environmental Science - PM

  • May
    14

    AP English Language - AM

  • May
    15

    AP Spanish Language - AM

  • Marian Concert - 7:00pm Immaculatta Auditorium

  • May
    16

    End of MP4 for Seniors

  • Senior Sunset BBQ

  • May
    21

    Senior Prom

  • May
    22

    Baccalaureate Mass

  • May
    23

    School Holiday - School Closed

  • May
    26

    Memorial Day - School Closed

  • May
    28

    Graduation for the Class of 2025

  • May
    29

    Ascension Thursday - 12:00pm Dismissal

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St. Mary's High School

Located in Manhasset, NY,  St. Mary's College Preparatory High School is a private Catholic school for grades 9th-12th. Students benefit from a challenging academic program, Catholic intellectual tradition, competitive athletics, and a wide selection of extracurricular activities.